Trojan.MulDrop36.23240

Техническая информация

Для обеспечения автозапуска и распространения

Модифицирует следующие ключи реестра

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'WdiServiceHost' = '%APPDATA%\Microsoft\Windows\WDI\Host\WdiServiceHost.exe'

Создает или изменяет следующие файлы

<SYSTEM32>\tasks\microsoft\windows\wdi\wdiservicemaintenance

Изменения в файловой системе

Создает следующие файлы

%TEMP%\_mei9242\vcruntime140.dll
%TEMP%\_mei9242\_bz2.pyd
%TEMP%\_mei9242\_ctypes.pyd
%TEMP%\_mei9242\_hashlib.pyd
%TEMP%\_mei9242\_lzma.pyd
%TEMP%\_mei9242\_socket.pyd
%TEMP%\_mei9242\_ssl.pyd
%TEMP%\_mei9242\api-ms-win-core-console-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-file-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-file-l1-2-0.dll
%TEMP%\_mei9242\api-ms-win-core-file-l2-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\_mei9242\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\_mei9242\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-string-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\_mei9242\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-core-util-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\_mei9242\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\_mei9242\libcrypto-1_1.dll
%TEMP%\_mei9242\libssl-1_1.dll
%TEMP%\_mei9242\python37.dll
%TEMP%\_mei9242\select.pyd
%TEMP%\_mei9242\ucrtbase.dll
%TEMP%\_mei9242\unicodedata.pyd
%TEMP%\_mei9242\base_library.zip
%APPDATA%\microsoft\windows\wdi\host\wdiservicehost.exe
%APPDATA%\microsoft\windows\wdi\logs\wdiservicehost.etl
%APPDATA%\microsoft\windows\wdi\logs\diagconfig.xml

Сетевая активность

Подключается к

'<LOCALNET>.58.101':4444

UDP

DNS ASK fi#####.###tings.services.mozilla.com

Другое

Перезапускает анализируемый образец

Запускает на исполнение

'<SYSTEM32>\cmd.exe' /c "reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WdiServiceHost" /t REG_SZ /d "%APPDATA%\Microsoft\Windows\WDI\Host\WdiServiceHost.exe" /f" (со скрытым окном)
'<SYSTEM32>\cmd.exe' /c "schtasks /create /tn "Microsoft\Windows\WDI\WdiServiceMaintenance" /tr "%APPDATA%\Microsoft\Windows\WDI\Host\WdiServiceHost.exe" /sc onlogon /rl highest /f" (со скрытым окном)
'<SYSTEM32>\reg.exe' add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WdiServiceHost" /t REG_SZ /d "%APPDATA%\Microsoft\Windows\WDI\Host\WdiServiceHost.exe" /f
'<SYSTEM32>\schtasks.exe' /create /tn "Microsoft\Windows\WDI\WdiServiceMaintenance" /tr "%APPDATA%\Microsoft\Windows\WDI\Host\WdiServiceHost.exe" /sc onlogon /rl highest /f